<template>
  <div>
    <home-header ></home-header>
    <home-swiper :list="swiperList"></home-swiper>
    <home-icons :list="iconList"></home-icons>
    <home-recommend :list="recommendList"></home-recommend>
    <home-weekend :list="weekendList"></home-weekend>
  </div>
</template>



<script>
import axios from 'axios'//引入ajax
import HomeHeader from "./components/Header";
import HomeSwiper from "./components/Swiper"; //加载组件
import HomeIcons from "./components/Icons";
import HomeRecommend from "./components/Recommend";
import HomeWeekend from "./components/Weekend";
import {mapState} from 'vuex'
export default {
  name: 'Home',
  components: {
    HomeHeader,
    HomeSwiper,
    HomeIcons,
    HomeRecommend,
    HomeWeekend
  },
  data(){
    return{
      lastCity:'',
      swiperList:[],
      iconList:[],
      recommendList:[],
      weekendList:[]
    }
  },
  computed:{
    ...mapState({
      rightCity:'city'
    })
  },
  methods:{
    getHomeInfo(){
      axios.get('/api/index.json?city='+ this.rightCity)//发送请求,返回一个promise对象  在写转发机制 vue代理 在config中index.js中的proxyTable
        .then(this.getHomeInfoSucc)
    },
    getHomeInfoSucc(res){
      res = res.data
      if(res.ret && res.data){
        const data = res.data
        this.city = data.city
        this.swiperList = data.swiperList
        this.iconList = data.iconList
        this.recommendList = data.recommendList
        this.weekendList = data.weekendList
      }
    }
  },
  mounted(){//在生命钩子函数里面挂载AJAX.
    this.lastCity = this.rightCity
    this.getHomeInfo()
  },
  activated(){
    if(this.lastCity !== this.rightCity){
      this.lastCity = this.rightCity
      this.getHomeInfo()
    }
  }
};
</script>


<style>
</style>
